The SunnCamp Swift Air Extreme 390 SC is the largest model in the Swift Air Extreme range, delivering exceptional interior space, premium weather protection, and effortless inflatable pitching. Designed for caravanners who need maximum living area without the complexity of traditional poles, it offers outstanding comfort for extended holidays and family touring adventures.
UK Caravan Awning Size Guide – Find the Perfect Fit for Your Full or Porch Awning
Looking for the right size awning for your caravan? Whether you’re after a full awning for extended stays or a porch awning for weekend getaways, our UK Caravan Awning Size Guide makes it easy to find the perfect fit. With over 40 years of combined experience and access to a comprehensive UK caravan database, we take the guesswork out of awning sizing.
In this guide, you’ll learn how to measure your caravan for both full and porch awnings, understand A-measurements, and use our easy-to-read awning size chart. Plus, with our Fitment Guarantee and Free UK Delivery, you can shop with confidence.
Your caravan’s A-measurement is the key to finding the correct size full awning. This ensures a snug, weatherproof fit that maximises your comfort and space.
🛠️ How To Measure (Step-by-Step – The Hard Version)
Park your caravan on level ground.
Thread a string (ideally 10m+) through the entire awning rail from one end to the other.
Keep your fingers crossed, you measured correctly.
Same working day dispatch for all orders placed before 1pm.
NEXT WORKING DAY DELIVERY OPTIONS AVAILABLE.
PLEASE NOTE: We do not always have all available sizes and colours of awnings from every supplier available on the shelf. Depending on stock availability, we may dispatch your order straight from our suppliers warehouse. In such circumstances, a delay of up to 24hours may occur.
SunnCamp Swift Air Extreme 390 SC Inflatable Caravan Porch Awning | Large Family Touring Air Awning
Extra-Wide 390cm Living Space • Air Volution Single Inflation • Premium 300D PRO-TEK Fabric • Enhanced Roof Profile • Mesh Ventilation Panels • Canopy Compatible • Family Touring Comfort
The SunnCamp Swift Air Extreme 390 SC is engineered for caravanners who require generous living space combined with the convenience of modern inflatable technology. With its impressive 390cm width, this premium air awning creates a spacious extension to your caravan, ideal for families, longer stays, and seasonal touring.
At the heart of the design is Air Volution Single Inflation Technology, allowing the entire structure to be inflated quickly and efficiently from one inflation point. This significantly reduces setup time while delivering excellent structural rigidity.
Constructed from rugged 300D PRO-TEK fabric, the awning offers outstanding waterproof performance, durability, and fire-retardant protection. The upgraded roof profile improves drainage and helps maintain stability during adverse weather, making it a dependable choice for UK touring conditions.
The large front windows and side panels create a bright and welcoming environment, while mesh ventilation panels improve airflow throughout the awning. The roll-up front panel can also be converted into a canopy area using optional poles, creating additional sheltered outdoor space for dining, relaxing, or entertaining.
What’s Included
1 × SunnCamp Swift Air Extreme 390 SC Awning
Manual Inflation Pump
Storm Buckles & Reflective Webbing Straps
Draught Skirt
Peg Set
Carry/Storage Bag
Setup Guide
Why Choose SunnCam Swift Air Extreme 390 SC?
Largest Swift Air Extreme Model – Maximum interior living space
Ideal for Families – More room for furniture and storage
Fast Inflatable Setup – Single inflation convenience
Premium Touring Construction – Durable PRO-TEK fabric throughout
Excellent Weather Resistance – Designed for changing UK conditions
Expandable Outdoor Area – Compatible with optional canopy systems
Bright & Airy Interior – Large windows and ventilation panels
The SunnCam Swift Air Extreme 390 SC offers the ultimate combination of spacious comfort, inflatable convenience, and premium touring performance, making it an excellent choice for caravanners who want more room to relax, entertain, and enjoy extended adventures.
Introducing the Dorema Omega Deluxe – One of the best seasonal porch awnings. Crafted from TenCate All Season Fabric, equipped with External Privacy Blinds and available with both 25mm Easy Grip or Fibre Tech Frames, the Omega De Luxe is designed for seasonal use and year round pitching.
The Camptech Starline Elite 390 Air Awning offers premium space, strength and easy setup thanks to its heavy‑duty Climatech SY17 fabric and smooth single‑point inflation. Its generous 390cm width, panoramic front windows and mesh‑ventilated doors create a bright, comfortable living area perfect for longer stays. Compatible with the Infinity Extension for even more room, it now comes with Free Storm Straps, Fast UK Delivery and flexible 0% Finance options.
The Camptech Starline 200 Air Awning delivers impressive performance in a compact 200cm format, making it perfect for weekend touring and smaller caravans—including the Swift Basecamp. Built from durable Climatech 210D fabric with individual inflation points for quick pitching, it offers excellent headroom, mesh‑ventilated side doors and privacy blinds. A lightweight, easy‑handling air awning that punches above its size—now upgraded with Free Storm Straps, Fast UK Delivery and 0% Finance options for a hassle‑free upgrade.
£1,264.00–£1,618.00Price range: £1,264.00 through £1,618.00
Available in sizes 10–21 (875–1175 cm), theCamptech Buckingham DLawning features300 cm depth, customisable door layout,privacy blinds, andSR21 all-season fabricwith a sturdy28mm steel frame. Ideal for long term seasonal pitching and particularly suited for UK seasonal and year round use, The Buckingham DL awning blends durability with flexible living comfort. Backed by an extended 24 months manufacturer backed warranty. Get in Touch for Professional Fitment Advice, 100% Perfect Fit Guaranteed and the best package deal, tailored to your camping style.
The Westfield Vega 375 Caravan Air Awning is a premium inflatable porch awning designed for touring caravans with an awning rail height of 235–260cm. Offering an impressive 375cm width, luxury HydroTech® Cotton-Touch fabric, and Westfield’s Advanced Air System, it provides expansive living space, fast single-point inflation, and dependable all-weather performance for touring, seasonal camping, and family caravan holidays.
Compact and lightweight rear-mounted poled porch awning designed for Swift Basecamp caravans and small setups, offering effortless solo pitching, reliable weather protection, and excellent value for weekend and light touring.
The Camptech Duchess 340 is a bright, spacious touring porch awning that’s built to last. Its Climatech SR17 fabric, large windows and sturdy 22/25mm steel Griplock frame deliver dependable performance, and practical living and storage space. With flyscreens for airflow, Techline zips for veranda setup, generous 340 x 240cm footprint and annexe compatibility , the Duchess adapts easily for weekends or longer stays. Supplied with Free Storm Straps, Fast UK Delivery and flexible 0% Finance options.
Lightweight mid-size poled porch awning offering quick setup, excellent ventilation, and reliable weather protection—ideal for couples or short family touring trips.
The Camptech Prince DL Porch Awning is a compact yet highly versatile touring awning, offering excellent durability, ventilation, and layout flexibility. Built with a strong steel frame and premium Climatech fabric, it’s ideal for caravanners seeking comfort, stability, and adaptable living space.
£560.00Original price was: £560.00.£450.00Current price is: £450.00.
The SunnCamp Swift Air SC 390 is the largest model in the Swift Air range, offering exceptional living space, fast inflatable setup, and enhanced stability features for caravanners who want maximum comfort without the complexity of a traditional poled awning.
Designed for year round useandparticularly suited for winter camping. Available in 4 sizes theDorema Oslo 1 , 2 , 3 and 4are crafted withHeavy Duty PVCfabrics, for the ultimate weather resilience. Featuring a free standing frame design with rear support legs and extra thick padding, the Dorema Oslo is the ultimate seasonal awning for year round use.
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